“The risk of a ‘no deal’ Brexit in March is rising, and despite our robust post-Brexit structures, including our post-Brexit plan around European ownership, we continue to call for the UK and EU to agree a transition deal from 31 March 2019, so that any disruption to flights and British consumer summer holidays in 2019 can be avoided.”

Chief Executive Michael O’Leary had earlier warned that a disorderly Brexit could ground flights for several weeks after the UK leaves on March 29.

A departure agreement negotiated by Prime Minister Theresa May with Brussels hangs in the balance ahead of a parliamentary vote this month.